• Galvanized welded round tube and rectangular tube System 1
  • Galvanized welded round tube and rectangular tube System 2
Galvanized welded round tube and rectangular tube

Galvanized welded round tube and rectangular tube

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
10000 m.t./month

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Specification

Standard:
API,DIN,BS,GB,JIS,ASTM,EN
Technique:
Hot Rolled,Cold Rolled,EFW,Extruded,Saw,ERW,Cold Drawn
Shape:
Round,C Channel,Square,U Channel,Oval,Rectangular
Surface Treatment:
Galvanized
Steel Grade:
20#,10#,SS400-SS490,400 Series,300 Series,HRB400,RHB335,Q235B,Q215B,Q235,Q195,Q215
Certification:
IBR,RoHS,CE,API,BSI,UL,BV,SGS,ISO
Thickness:
5
Length:
6
Net Weight:
1

1Structure of   Galvanized welded round tube and rectangular tube:

The surface of galvanized steel pipe welded steel pipe of hot dip galvanized layer or. Galvanized can increase the corrosion resistance of the steel tube, prolong service life. Galvanized pipe is widely used, in addition to water, gas, oil and other general low pressure fluid pipelines. It is also used in the petroleum industry, especially for offshore oil field of oil well pipe and oil pipe, chemical, coking equipment of oil heater, condensation cooler, coal run oil exchanger tube, and trestle pile, the mine tunnel support frame tube.

 

2‍‍Main Features of   Galvanized welded round tube and rectangular tube:

 

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price 

 

3  Galvanized welded round tube and  rectangular tube Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1 - 33 mm

Section Shape

Round

Outer Diameter

21 - 610mm

Place of Origin

Tianjin, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:Q195 Q235 Q345 X42 X52

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface: galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of   Galvanized welded round tube and rectangular tube:

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

6‍‍   Galvanized welded round tube and square rectangular tube Images ‍‍

 

Galvanized welded round tube and rectangular tube

Galvanized welded round tube and rectangular tube

 

Q: What are the different types of steel coatings used for pipes?
There are several types of steel coatings used for pipes, including epoxy, polyethylene, polypropylene, and fusion bonded epoxy (FBE) coatings. Each of these coatings provides different levels of corrosion resistance and protection, making them suitable for various applications and environmental conditions.
Q: Does the seamless steel pipe need rust removal?
The use of solvent, emulsion cleaning steel surface, in order to achieve the removal of oil, grease, dust, lubricants and other similar organic compounds, but it can not remove rust, scale, welding of steel surface, so the production in anti-corrosion only as an auxiliary means.
Q: What are the quality control measures for steel pipe production?
Quality control measures for steel pipe production typically involve several steps to ensure the final product meets the required specifications and industry standards. These measures may include inspection of raw materials, such as the steel coils or plates, to ensure they meet the required chemical composition and mechanical properties. During manufacturing, various processes like forming, welding, and heat treatment are closely monitored to maintain dimensional accuracy and integrity. Non-destructive testing methods, such as ultrasonic or radiographic inspection, are often employed to detect any defects or anomalies in the pipes. Additionally, visual inspection, surface treatment assessment, and mechanical testing are conducted to assess the overall quality before the pipes are released for distribution.
Q: Can steel pipes be used for underground applications?
Yes, steel pipes can be used for underground applications. Steel pipes are highly durable and can withstand the pressure and corrosion that may be encountered in underground environments. They are commonly used for various underground applications such as water supply, sewage systems, and underground utility lines.
Q: How are steel pipes recycled?
Steel pipes are recycled through a multi-step process that involves collection, sorting, cleaning, and melting. First, the used steel pipes are gathered from various sources such as construction sites or industrial facilities. Then, they are sorted based on their size, shape, and quality. Next, any contaminants or coatings are removed from the pipes through cleaning and stripping processes. Finally, the cleaned pipes are melted down in a furnace, and the molten steel is formed into new pipes or other steel products. This recycling process reduces the demand for new raw materials and helps conserve energy and resources.
Q: How do steel pipes handle water erosion?
Steel pipes are highly resistant to water erosion due to their robust and durable nature. The smooth surface of steel pipes minimizes the formation of rust and corrosion, preventing water erosion from occurring. Additionally, steel pipes can withstand high water pressure and turbulent flow, further enhancing their ability to handle water erosion effectively.
Q: How are steel pipes used in natural gas processing plants?
Steel pipes are used in natural gas processing plants to transport and distribute the gas throughout the facility. They provide a reliable and durable infrastructure for the safe and efficient movement of gas from extraction to processing and distribution.
Q: What are the different methods of cutting steel pipes?
The different methods of cutting steel pipes include using a hacksaw, pipe cutter, angle grinder with a cutting disc, reciprocating saw, plasma cutter, or oxy-fuel torch.
Q: How are steel pipes used in the construction of oil and gas pipelines?
Steel pipes are commonly used in the construction of oil and gas pipelines due to their high strength, durability, and resistance to corrosion. These pipes are employed to transport crude oil and natural gas from extraction sites to refineries and distribution centers. They provide a reliable and efficient means of transporting these valuable resources over long distances, ensuring a safe and secure supply of energy. Additionally, steel pipes are capable of withstanding high pressure and extreme temperature conditions, making them suitable for the demanding environment of oil and gas transportation.
Q: How are steel pipes made?
Steel pipes are made through a process called pipe manufacturing, which involves several steps. First, raw materials such as iron ore, coal, and limestone are melted in a blast furnace to produce molten iron. The molten iron is then mixed with recycled steel and processed in a basic oxygen furnace or electric arc furnace to refine its composition and remove impurities. Once the desired steel grade is achieved, it is cast into billets, which are heated and pierced to form a hollow cylindrical shape. These pierced billets are then elongated and shaped into pipes through a process called hot rolling or cold drawing. Finally, the pipes undergo various finishing operations, such as straightening, cutting, and inspection, before being ready for use in various applications.

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